/*****************************************************************************/
/*                                                                           */
/*                                wrappedcall.c                              */
/*                                                                           */
/*                          WrappedCall management                           */
/*                                                                           */
/*                                                                           */
/*                                                                           */
/* (C) 2017, Mega Cat Studios                                                */
/*                                                                           */
/*                                                                           */
/* This software is provided 'as-is', without any expressed or implied       */
/* warranty.  In no event will the authors be held liable for any damages    */
/* arising from the use of this software.                                    */
/*                                                                           */
/* Permission is granted to anyone to use this software for any purpose,     */
/* including commercial applications, and to alter it and redistribute it    */
/* freely, subject to the following restrictions:                            */
/*                                                                           */
/* 1. The origin of this software must not be misrepresented; you must not   */
/*    claim that you wrote the original software. If you use this software   */
/*    in a product, an acknowledgment in the product documentation would be  */
/*    appreciated but is not required.                                       */
/* 2. Altered source versions must be plainly marked as such, and must not   */
/*    be misrepresented as being the original software.                      */
/* 3. This notice may not be removed or altered from any source              */
/*    distribution.                                                          */
/*                                                                           */
/*****************************************************************************/

#include <stdarg.h>
#include <string.h>

/* common */
#include "chartype.h"
#include "check.h"
#include "coll.h"
#include "scanner.h"
#include "intptrstack.h"
#include "xmalloc.h"

/* cc65 */
#include "codeent.h"
#include "error.h"
#include "wrappedcall.h"

/*****************************************************************************/
/*                                   Data                                    */
/*****************************************************************************/

/* WrappedCalls */
static IntPtrStack WrappedCalls;

/*****************************************************************************/
/*                                   Code                                    */
/*****************************************************************************/

void PushWrappedCall(void *Ptr, unsigned char Val)
/* Push the current WrappedCall */
{
  if (IPS_IsFull(&WrappedCalls)) {
    Error("WrappedCall stack overflow");
  } else {
    IPS_Push(&WrappedCalls, Val, Ptr);
  }
}

void PopWrappedCall(void)
/* Remove the current WrappedCall */
{
  if (IPS_GetCount(&WrappedCalls) < 1) {
    Error("WrappedCall stack is empty");
  } else {
    IPS_Drop(&WrappedCalls);
  }
}

void GetWrappedCall(void **Ptr, unsigned char *Val)
/* Get the current WrappedCall */
{
  if (IPS_GetCount(&WrappedCalls) < 1) {
    *Ptr = NULL;
    *Val = 0;
  } else {
    long Temp;
    IPS_Get(&WrappedCalls, &Temp, Ptr);
    *Val = (unsigned char)Temp;
  }
}
